The Lunar Disc Topic 2

Question 1

What are Rille made from?
Valleys = Rille

Answer 1

Ancient lava flows that have collapsed below the surface

Question 2

Diameter of the moon

Answer 2

3500km

Question 3

If the right side of the moon is black is it waning or waxing?

Answer 3

Waxing

Question 4

If the left side of the moon is black is it waning or waxing?

Answer 4

Waning

Question 5

How long does it take for the moon to rotate once on its own axis?

Answer 5

27.3 days

Question 6

How long does it take the moon to do one full orbit of the Earth?

Answer 6

27.3 days

Question 7

What type of orbit does the moon have?

Answer 7

Synchronous

Question 8

How long does the rotation of the moon take from new moon to new moon?

Answer 8

29.5 days

Question 9

What is diurnal libration?

Answer 9

When we are viewing the moon from slightly different angles at moonrise and moon set

Question 10

What degree tilt does the moon have?

Answer 10

1.5

Question 11

What degree tilt around the Earth does the Moon have?

Answer 11

5.1

Question 12

What’s it called when the moons orbiting fastest?

What’s it called when the moons orbiting slowest?

Answer 12

Perigee - Closest to Earth

Apogee - Furthest from Earth

Question 13

What’s Apehelion ?
What’s Perihelion ?

Answer 13

Apehelion - Maximum distance from the Sun

Perihelion - Minimum distance from the Sun